Polyaromatic Cyclophanes Design and their Related Optical Properties - Archive ouverte HAL
Article Dans Une Revue ChemistryOpen Année : 2024

Polyaromatic Cyclophanes Design and their Related Optical Properties

Résumé

Abstract In this article, we present several organic synthetic way to synthesize a family of five polyaromatic molecules based on a cyclophane core. Our strategies revolves around palado‐catalyzed substitution on a [2.2]paracyclophane (pCp) building block. Direct formation of a cyclophane was also employed for two molecules. The polyaromatic nature of the cyclophane library we synthetized made them good fluorophores candidate, we hence performed full photophysical characterization (Absorption, Emission, TCSPC) in different solvent as well as embed in polystyrene films. We evaluate how the cyclophane moiety influence their photo physical properties compared to their corresponding homologues without pCp core, demonstrating greater stoke shift and intramolecular exciplex behavior. The general behavior among cyclophanes was also compared and show solvent dependent properties as well as consistency of the photophysics between toluene and polystyrene matrix.

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Chimie
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Dates et versions

hal-04833564 , version 1 (12-12-2024)

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Oumou Diallo, Jean‐frédéric Audibert, Isabelle Leray, David Kreher, Guillaume Bertrand. Polyaromatic Cyclophanes Design and their Related Optical Properties. ChemistryOpen, 2024, ⟨10.1002/open.202400207⟩. ⟨hal-04833564⟩
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